Top Achromatic Objective

OMAX 50X-787.5X USB3 14MP Trinocular Ore Petrographic Polarizing Microscope with Bertrand Lens

  • rotatable, interpupillary adjustable, diopter rings on both ocular tubes.
  • Eyepieces: 10X (a pair of regular, and one with reticles, one with crosshair, and one with grids).
  • Nosepieces: Quadruple, objective center adjustable.
  • Objectives: DIN strain free achromatic - 4X- 10X - 25X - 40X - 63X - Plan 25X- Plan 40X(s) - Plan 63X(s).
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OMAX 50X-787.5X Trinocular Ore Petrographic Polarizing Microscope with Bertrand Lens and 10MP Camera

  • rotatable, interpupillary adjustable, diopter rings on both ocular tubes.
  • Eyepieces: 10X (a pair of regular, and one with reticles, one with crosshair, and one with grids).
  • Nosepieces: Quadruple, objective center adjustable.
  • Objectives: DIN strain free achromatic - 4X- 10X - 25X - 40X - 63X - Plan 25X- Plan 40X(s) - Plan 63X(s).
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4X 185 Biological Microscope Achromatic Objective Lens 160/0.17 for Optical Instruments Conversion Objective Lens

  • [High-quality material] This objective lens is made of high-quality material and is durable and durable. Customers can use it at ease..
  • [4x color eraser] Aluminum alloy shell is preciseness machined, stable and durable for long time use. This is a 4x achromatic objective for biological microscopes..
  • [Without increasing the chromatic aberration] You can enhance the contrast by eliminating unnecessary reflections. Provides high quality observation without increasing chromatic aberration and makes the image sharper..
  • [Objective lens length: 30.5 mm] The length of the objective lens is 30.5 mm and easy to use..
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OMAX 40X-2500X USB3 18MP Digital Lab Trinocular LED Compound Microscope with Aluminum Carrying Case

  • Total magnification: 40X-100X-250X-400X-1000X-2500X.
  • Eyepieces: wide field WF10X/18 and WF25X.
  • Objective: achromatic DIN 4X, 10X, 40X (spring),100X (spring, oil).
  • Head: 30 degrees inclined 360 degrees rotatable trinocular Siedentopf.
  • Interpupillary: hinge adjustment 1-7/8inch ~ 2-15/16inch (48mm ~ 75mm).
  • Diopter: adjustable on left eyepiece tube.
  • Nosepiece: revolving, quadruple, reversed.
  • Stage: X-Y mechanical stage with scales, range 3inch x 1-9/16inch (78mm x 40mm), dimension 5-1/2i....
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OMAX 40X-2000X Digital Lab Trinocular Compound LED Microscope with 5MP Digital Camera and Double Layer Mechanical Stage

  • Total magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X.
  • Objective: achromatic DIN 4X, 10X, 40X(S), 100X(S, Oil).
  • Viewing head: 45 degrees inclined 360 degrees swiveling trinocular.
  • Sliding adjustable interpupillary distance: 2-3/16inch ~ 2-15/16inch(55mm ~ 75mm).
  • Ocular diopter adjustable on both eyetubes.
  • Stage: mechanical double layer size: 4-1/2inchx 4-15/16inch (115mm x 125mm).
  • Stage x-y stroke (travel range): 2-13/16i....
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OMAX 40X-2000X USB3 5MP Digital Lab Trinocular LED Compound Microscope with Aluminum Carrying Case

  • Total magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X.
  • Eyepieces: wide field WF10X/18 and WF20X.
  • Objective: achromatic DIN 4X, 10X, 40X (spring),100X (spring, oil).
  • Head: 30 degrees inclined 360 degrees rotatable trinocular siedentopf.
  • Interpupillary: hinge adjustment 1-7/8inch ~ 2-15/16inch (48mm ~ 75mm).
  • Diopter: adjustable on left eyepiece tube.
  • Nosepiece: revolving, quadruple, reversed.
  • Stage: X-Y mechanical stage with scales, range 3inch x 1-9/16inch (78m....
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Microscope Lens,4X 185 Biological Microscope Achromatic Objectives Lens 160/0.17 5×5×5cm Eliminate Unwanted Reflections

  • ✔【4X Magnification】- DM-WJ001 Mode Biological microscope Achromatic Objectives Lens, offering high quality observation without additional chromatic aberration, make image more clear..
  • ✔【Conjugate Distance 185 】- The 185 conjugate distance is the distance between the object plane and the image plane of the objective lens in the microscope system. Working distance (W.D) 35.6mm..
  • ✔【Standard RMS Thread】- Standard RMS thread, 20mm mounting size, please confirm the size of your microscope thread before purchase..
  • ✔【Objective Lens Length 30.5mm】- The Length of the objective lens is 30.5mm, easy to use. It can eliminate unwanted reflections and increase contrast..
  • ✔【Excellent Material】- The outer casing material of the objective lens is made of aluminum alloy and is durable. Customers can use it at ease..
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Microscope Lens,40X 185 Biological Microscope Achromatic Objectives Lens 160/0.17 5×5×5cm Eliminate Unwanted Reflections

  • ✔【40X Magnification】- DM-WJ003 Mode Biological microscope Achromatic Objectives Lens, offering high quality observation without additional chromatic aberration, make image more clear..
  • ✔【Conjugate Distance 185 】- The 185 conjugate distance is the distance between the object plane and the image plane of the objective lens in the microscope system. Working distance (W.D) 0.53mm..
  • ✔【Standard RMS Thread】- Standard RMS thread, 20mm mounting size, please confirm the size of your microscope thread before purchase..
  • ✔【Objective Lens Length 37.8mm】- The Length of the objective lens is 37.8mm, easy to use. It can eliminate unwanted reflections and increase contrast..
  • ✔【Excellent Material】- The outer casing material of the objective lens is made of aluminum alloy and is durable. Customers can use it at ease..
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10X Achromatic Objectives Lens 185 Conjugate Distance Walfront Biological Microscope Achromatic Objectives Lens for Optical Instruments Conversion Objective Lens

  • ► ALUMINUM SHELL -- Aluminum Alloy shell is preciseness machined, stable and durable for long time use..
  • ► 10X MAGNIFICATION -- This is a 10X achromatic objective lens for biological microscope..
  • ► INCREASE CONTRAST -- It can eliminate unwanted reflections and increase contrast..
  • ► MORE CLEAR IMAGE -- Offers high quality observation without additional chromatic aberration..
  • ► 31.3MM OBJECTIVE LENS -- The Length of the objective lens is 31.3mm, easy to use..
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OMAX 50X-787.5X Touchpad Screen Trinocular Ore Petrographic Polarizing Microscope with Bertrand Lens

  • Head: Trinocular, 45 degrees inclined 360 degrees rotatable, interpupillary adjustable, diopter rings on both ocular tubes.
  • Eyepieces: 10X (a pair of regular, and one with reticles, one with crosshair, and one with grids).
  • Nosepieces: Quadruple, objective center adjustable.
  • Objectives: DIN strain free achromatic - 4X/0.10.
  • Total magnification: 50X - 125X - 312.5X - 500X - 787.5X.
  • Objectives: DIN strain free achromatic - 4X/0.1....
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Eisco PH0619 Laboratory-Grade Spectrometer, 0 to 360 Degree Rotation, 1 Degree Graduations, 0.1 Degree Vernier Scale

  • Goniometer-type spectrometer provides hands-on experience observing and measuring light spectra.
  • 0 to 360 degree rotation, 1 degree graduations, and 0.1 degree vernier scale.
  • Collimator has an adjustable slit, an achromatic converging lens with a 178mm focal length, and a locking screw.
  • Prism table with 175mm diameter rotates around the central axis and has three leveling screws to ensure precise placement.
  • Astronomical-type telescope has achromatic objective and Ramsden eyepiece with crosswire, and is mounted on heavy bearing to rotate around the central axis of the instrument.
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SVBONY SV503 Telescope 102ED F7 Extra Low Dispersion Achromatic Refractor OTA Micro-Reduction Rap Focuser for Astrophotography

  • 102mm objective lens diameter and f/7 focal ratio telescope OTA.
  • large objective lens brings more lights into the scope body and you will get more bright and clear image.
  • Doublet air spaced achromatic S-FPL51 ED glass provides you less chromatic aberration image.
  • ultra wide band multi-layer coating technology.
  • 102mm aperture optics and retactable lens hood deliver bright wide-field images with sharp resolution.
  • it comes with dual focus rack and pinion focuser with focus knob cover.
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